In 7.2 the shell counter was removed from the ammo bar in game. For those who prefer to run modified reticles this can be a bit of a problem as most do not support shell counters just yet. This modification will put the old counter back in the game.
Installation: Drop the 'gui' folder into your most recent mods folder and accept the merge.
Install manually to: res_mods/0.7.X.X/gui/flash